using System;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;

namespace Continentis.MainGame.Character
{
    public partial class CharacterBuffBase
    {
        public abstract class CharacterBuffSubmodule : BuffSubmodule
        {
            public CharacterBase character => (buff as CharacterBuffBase)?.attachedCharacter;

            protected CharacterBuffSubmodule(CharacterBuffBase buff) : base(buff)
            {
                
            }
        }

        /// <summary>
        /// Buff的角色核心属性调整模块
        /// </summary>
        public class CoreAttributeSubmodule : CharacterBuffSubmodule
        {
            public Dictionary<string, float> numericChange;
            public Dictionary<string, float> percentageChangeOfAccumulation;
            public Dictionary<string, float> percentageChangeOfMultiplication;
            
            public CoreAttributeSubmodule(CharacterBuffBase buff) : base(buff)
            {
                this.numericChange = new Dictionary<string, float>();
                this.percentageChangeOfAccumulation = new Dictionary<string, float>();
                this.percentageChangeOfMultiplication = new Dictionary<string, float>();
            }

            public List<string> RefreshAllModifiedAttributes()
            {
                List<string> modifiedAttributes = new List<string>();
                modifiedAttributes.AddRange(numericChange.Select(kvp => kvp.Key));
                modifiedAttributes.AddRange(percentageChangeOfAccumulation.Select(kvp => kvp.Key));
                modifiedAttributes.AddRange(percentageChangeOfMultiplication.Select(kvp => kvp.Key));

                modifiedAttributes.ForEach(attr => character.attributeSubmodule.RefreshCoreAttribute(attr));
                character.attributeSubmodule.RefreshAllGeneralAttributes(); //刷新核心属性后，需要刷新通用属性
                
                return modifiedAttributes;
            }
        }
        
        /// <summary>
        /// Buff的角色通常属性调整模块
        /// </summary>
        public class GeneralAttributeSubmodule : CharacterBuffSubmodule
        {
            public Dictionary<string, float> numericChange;
            public Dictionary<string, float> percentageChangeOfAccumulation;
            public Dictionary<string, float> percentageChangeOfMultiplication;

            public GeneralAttributeSubmodule(CharacterBuffBase buff) : base(buff)
            {
                this.numericChange = new Dictionary<string, float>();
                this.percentageChangeOfAccumulation = new Dictionary<string, float>();
                this.percentageChangeOfMultiplication = new Dictionary<string, float>();
            }

            public List<string> RefreshAllModifiedAttributes()
            {
                List<string> modifiedAttributes = new List<string>();
                modifiedAttributes.AddRange(numericChange.Select(kvp => kvp.Key));
                modifiedAttributes.AddRange(percentageChangeOfAccumulation.Select(kvp => kvp.Key));
                modifiedAttributes.AddRange(percentageChangeOfMultiplication.Select(kvp => kvp.Key));
                
                modifiedAttributes.ForEach(attr => character.attributeSubmodule.RefreshGeneralAttribute(attr));
                
                return modifiedAttributes;
            }
        }
        
        /// <summary>
        /// Buff的角色状态调整模块
        /// </summary>
        public class StatusSubmodule : CharacterBuffSubmodule
        {
            public List<StatusType> statusList;

            public StatusSubmodule(CharacterBuffBase buff, params StatusType[] statusTypes) : base(buff)
            { 
                statusList = statusTypes.ToList();
            }

            /// <summary>
            /// 将Buff内含的状态添加到角色身上（1层）
            /// </summary>
            public void AddStatus()
            {
                statusList.ForEach(status => character.statusSubmodule.AddStatus(status));
            }

            /// <summary>
            /// 将Buff内含的状态从角色身上移除（1层），注意，如果某个状态有其它的来源，这个状态的效果仍然存在。
            /// </summary>
            public void RemoveStatus()
            {
                statusList.ForEach(status => character.statusSubmodule.RemoveStatus(status));
            }
        }
    }
}